Question

which element has highest I.E in the periodic table?​

Answer 1

Answer:

helium

The first ionization energy varies in a predictable way across the periodic table. The ionization energy decreases from top to bottom in groups, and increases from left to right across a period. Thus, helium has the largest first ionization energy, while francium has one of the lowest.

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Answer 2

Answer:

helium is the right answer of this question